fix for #90 ltc_ecc_mul2add.c integer sign issue (sjaeckel's way)

2016-01-15 08:56:32 +01:00 · 2016-01-15 08:56:32 +01:00 · 979e9a9d15
commit 979e9a9d15
parent 0c226834cc
1 changed files with 3 additions and 2 deletions
--- a/src/pk/ecc/ltc_ecc_mul2add.c
+++ b/src/pk/ecc/ltc_ecc_mul2add.c
@ -134,13 +134,14 @@ int ltc_ecc_mul2add(ecc_point *A, void *kA,
  bitbufB = tB[0];

  /* for every byte of the multiplicands */
-  for (x = -1;; ) {
+  for (x = 0;; ) {
     /* grab a nibble */
     if (++nibble == 4) {
-        ++x; if (x == len) break;
+        if (x == len) break;
        bitbufA = tA[x];
        bitbufB = tB[x];
        nibble  = 0;
+        ++x;
     }

     /* extract two bits from both, shift/update */